26225728 has 14 divisors (see below), whose sum is σ = 52041806. Its totient is φ = 13112832.

The previous prime is 26225723. The next prime is 26225737. The reversal of 26225728 is 82752262.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13778944 + 12446784 = 3712^2 + 3528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26225693 and 26225702.

It is not an unprimeable number, because it can be changed into a prime (26225723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204825 + ... + 204952.

Almost surely, 2^26225728 is an apocalyptic number.

It is an amenable number.

26225728 is a deficient number, since it is larger than the sum of its proper divisors (25816078).

26225728 is an equidigital number, since it uses as much as digits as its factorization.

26225728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409789 (or 409779 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 26225728 is about 5121.1061305152. The cubic root of 26225728 is about 297.1044688362.

The spelling of 26225728 in words is "twenty-six million, two hundred twenty-five thousand, seven hundred twenty-eight".